20624148

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 54348840

約数和(自身を除く): 33724692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 89, 123, 157, 164, 178, 246, 267, 314, 356, 369, 471, 492, 534, 628, 738, 801, 942, 1068, 1413, 1476, 1602, 1884, 2826, 3204, 3649, 5652, 6437, 7298, 10947, 12874, 13973, 14596, 19311, 21894, 25748, 27946, 32841, 38622, 41919, 43788, 55892, 57933, 65682, 77244, 83838, 115866, 125757, 131364, 167676, 231732, 251514, 503028, 572893, 1145786, 1718679, 2291572, 3437358, 5156037, 6874716, 10312074, 20624148]

約数ペア:

[(1, 20624148), (2, 10312074), (3, 6874716), (4, 5156037), (6, 3437358), (9, 2291572), (12, 1718679), (18, 1145786), (36, 572893), (41, 503028), (82, 251514), (89, 231732), (123, 167676), (157, 131364), (164, 125757), (178, 115866), (246, 83838), (267, 77244), (314, 65682), (356, 57933), (369, 55892), (471, 43788), (492, 41919), (534, 38622), (628, 32841), (738, 27946), (801, 25748), (942, 21894), (1068, 19311), (1413, 14596), (1476, 13973), (1602, 12874), (1884, 10947), (2826, 7298), (3204, 6437), (3649, 5652)]